From: Łukasz Majewski <l.majewski@samsung.com>
Date: Thu, 23 Aug 2012 23:33:56 +0000 (+0000)
Subject: dfu:usb:fix: Read the "filesize" environment variable only when file read
X-Git-Tag: v2012.10-rc1~3^2~1
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=81c1d7b605e1a48d3c02248c5e51fabcf42f5014;p=oweals%2Fu-boot.git

dfu:usb:fix: Read the "filesize" environment variable only when file read

The "filesize" environment variable shall be read only when relevant
file is read.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Marek Vasut <marex@denx.de>
---

diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
index 2270a61eae..5d504dffd1 100644
--- a/drivers/dfu/dfu_mmc.c
+++ b/drivers/dfu/dfu_mmc.c
@@ -89,7 +89,7 @@ static int mmc_file_op(enum dfu_mmc_op op, struct dfu_entity *dfu,
 		return ret;
 	}
 
-	if (dfu->layout != DFU_RAW_ADDR) {
+	if (dfu->layout != DFU_RAW_ADDR && op == DFU_OP_READ) {
 		str_env = getenv("filesize");
 		if (str_env == NULL) {
 			puts("dfu: Wrong file size!\n");